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Dear all, following the Guestbook tutorial from 7.1 documentation but in the 7.2 environment I found an issue in the "Using Resources and Permissions" chapter.


In the <somepackage>guestbook.internal.security.permission.resource I created the GuestbookModelResourcePermissionRegistrar class.


But in the activate() method I get an error that cause that I can't deploy the guestbook-service and guestbook-web modules:


@Activate
    public void activate(BundleContext bundleContext) {
        
        Dictionary<String, Object> properties = new HashMapDictionary<>();

        properties.put("model.class.name", Guestbook.class.getName());

        _serviceRegistration = bundleContext.registerService(
            ModelResourcePermission.class,
            ModelResourcePermissionFactory.create(   // ERROR: The type com.liferay.petra.function.UnsafeFunction cannot be resolved. It is indirectly referenced from required .class files
                Guestbook.class, Guestbook::getGuestbookId,
                _guestbookLocalService::getGuestbook, _portletResourcePermission,
                (modelResourcePermission, consumer) -> {
                    consumer.accept(
                        new StagedModelPermissionLogic<>(
                            _stagingPermission, GuestbookPortletKeys.GUESTBOOK,
                            Guestbook::getGuestbookId));
                    consumer.accept(
                        new WorkflowedModelPermissionLogic<>(
                                _workflowPermission, modelResourcePermission,
                                _groupLocalService, Guestbook::getGuestbookId));
                }),
            properties);
    }


The same error happens for both Guestbook and Entity entities of the tutorial.


Please anyone is already aware of the above issues?


Thank you in advance,
Ivano C.